Small Satellites especially the Micro and Nano Satellite can significantly contribute towards the development of the country by accessing space at much lower cost and quick turnaround time.Data Patterns has designed and developed standard off-the-shelf products for Nano satellite bus suitable for Low Earth Orbit (LEO) satellite missions. These nano satellite platforms are ideal for scientic and educational payloads. The sub systems were designed in PC104 form factor and has standard interface for easy integration. Most of sub systems are proven in space, flown on NIUSAT, INS-1A, INS-1B & INS-1C satellites.